<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<link href="style.css" type="text/css" rel="stylesheet"/>
</head>
<body>
<div id="taiji">
<div class="beijing"></div>
<div class="hei"></div>
<div class="bai"></div>
</div>
</body>
</html>
